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What is the unit of atomic mass?...

What is the unit of atomic mass?

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  • ATOMS AND MOLECULES

    VGS PUBLICATION-BRILLIANT|Exercise OBJECTIVE TYPE QUESTION|1 Videos

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What is atomic mass?

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In a system of units, the unit of force is 100 N. unit of length is 10 m and the unit of time is 100s. What is the unit of mass in this system ?

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The molecular mass of a substances is the sum of the atomic masses of all the atoms in the molecule of the substance . If the atomic masses of hydrogen, sulphur and oxygen are 1,32 ,16 successively then the molecular mass of sulphuric acid is

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VGS PUBLICATION-BRILLIANT-ATOMS ,MOLECULES AND CHEMICAL REACTIONS-EXERCISE
  1. Latha take some quantity of powder of a substance in a test tube. Heat...

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  2. A light-yellow colour substance (some quantity) on a watch glass light...

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  3. What is the unit of atomic mass?

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  4. On the basis of molecular weights of NaOH and H2O, which is heavier?

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  5. Collect the symbols of various elements.

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  6. Give examples to different net charged ions ?

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  7. Prepare formulae for compounds by using Criss- Cross methods.

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  8. Make a chart showing the concept of mole.

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  9. Draw the diagram of arrangement of appartmentus in the activity of he...

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  10. Draw the diagram of “ Electrolysis of water”.

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  11. Draw the diagram of reduction of copper oxide to copper and label it.

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  12. Write any two compounds that are used in your house.

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  13. Molecular mass of H2SO4 is

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  14. The formula unit mass of sodium chloride is-

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  15. How can you prevent the spoiling of food?

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  16. How can you identify the corrosion of metals?

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  17. Where do you observe oxidation process in your daily life ?

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  18. What do you do to prevent rusting of copper and silver articles ?

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  19. What are the effects of oxidation on everyday life?

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  20. Formula of calcium hydroxide is Ca(OH)2 and zinc phosphate is Zn3(PO4)...

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